IFB Industries — Service is to sell a product not resolve issues

Address:

G018, Habitat Splendour, AECS Layout, Bangalore

I don't trust IFB service because they come and start marketing some product saying it will resolve the issue. For same issue of washing machine vibration on agent mentioned you should load the machine fully (not overload) without space and recent service agent said you should not fully load. Recent issue of fabric conditioner not fully getting drained is still not resolved and the overall vibration still exist.
I think the service agent had come 24th Nov. Escalated on 29th Nov on WhatsApp number provided WA273052. Have not received any call till now from IFB.